Add module doc-string.

Signed-off-by: Munyoki Kilyungi <me@bonfacemunyoki.com>

1 files changed, 14 insertions, 0 deletions

diff --git a/scripts/lmdb_matrix.py b/scripts/lmdb_matrix.py
index 451976b..79d3197 100644
--- a/scripts/lmdb_matrix.py
+++ b/scripts/lmdb_matrix.py
@@ -1,3 +1,17 @@
+"""This scripts reads and store genotype files to an LMDB store.
+Similarly, it can be use to read this data.
+
+Example:
+
+guix shell python-click python-lmdb python-wrapper python-numpy -- \
+     python lmdb_matrix.py import-genotype \
+     <path-to-genotype-file> <path-to-lmdb-store>
+
+guix shell python-click python-lmdb python-wrapper python-numpy -- \
+     python lmdb_matrix.py print-current-matrix \
+     <path-to-lmdb-store>
+
+"""
 import os
 import lmdb
 import json